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Finding the Third Proportional to 3,318,716 and 7,238,104

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Solution

The third proportional to 3,318,716 and 7,238,104 is: 15,786,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,716 : 7,238,104 = 7,238,104 : x
  2. Step 2: Convert to fraction form
    3,318,716/7,238,104 = 7,238,104/x
  3. Step 3: Cross multiply
    3,318,716x = 7,238,104 × 7,238,104
  4. Step 4: Simplify right side
    3,318,716x = 52,390,149,514,816
  5. Step 5: Solve for x
    x = 52,390,149,514,816/3,318,716
  6. Step 6: Final answer
    x = 15,786,270.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.